baber/WOPTO huggingface dataset:
Patent FR-2554926-A1 (FR)
Title: Procede pour le controle non destructif de pieces detachees notamment de materiaux composites renforces de fibres
Inventor: HOSEMANN ROLF
IPC: G01N23/205
Filed: 1984-09-19
Abstract: A)PROCEDE POUR LE CONTROLE NON DESTRUCTIF DE PIECES DETACHEES. B)PROCEDE CARACTERISE EN CE QUE L'EXAMEN S'EFFECTUE SUR LA BASE DE L'EXAMEN AUX RAYONSX DE LA MICROSTRUCTURE, ET QUE LA MODIFICATION DE LA POSITION ET DE LA FORME DES RAYONSX3 DISPERSES EN REFLETS REPRODUCTIBLES PAR LE MATERIAU POLYCRISTALLIN SERVANT DE MESURE POUR LES VARIATIONS ET LES TENSIONS INTERNES DE L'EPROUVETTE4. C)L'INVENTION CONCERNE UN PROCEDE POUR LE CONTROLE NON DESTRUCTIF DE PIECES DETACHEES.
Patent FR-2571496-A1 (FR)
Title: Systeme de bobines de production de champs additionnels pour l'obtention, dans un aimant comportant des pieces polaires de polarisation pour imagerie par resonance magnetique nucleaire, de champs de polarisation a gradients constants
Inventor: BRIGUET ANDRE
IPC: A61B5/055
Filed: 1984-10-05
Abstract: SYSTEME DE BOBINES DE PRODUCTION DE CHAMPS ADDITIONNELS DANS UN AIMANT COMPORTANT DES PIECES POLAIRES 1, 2 POUR IMAGERIE PAR RESONANCE MAGNETIQUE NUCLEAIRE. IL COMPREND: POUR LA CREATION DES GRADIENTS GX DBZDX ET GY DBZDY, DEUX NAPPES D'ENROULEMENTS ORTHOGONALES 1A, 2A, 1B, 2B, UNE SUR CHAQUE PIECE POLAIRE; POUR LA CREATION DU GRADIENT GZ DBZDZ, DEUX SYSTEMES D'ENROULEMENTS 8, 9, 10, 13, 14 DE SYMETRIE CIRCULAIRE D'AXE OZ, SITUES SUR LES FACES INTERNES EN REGARD DES PIECES POLAIRES ET PARCOURUS PAR DES COURANTS DE SENS OPPOSES D'UNE PIECE POLAIRE A L'AUTRE.
Patent FR-2571451-A1 (FR)
Inventor: HOLVOET ALAIN
IPC: F15B15/26
Filed: 1984-10-05
Abstract: 1. A device for locking a translationally movable rod (1) in a body (2), comprising, inside the body (2), a piston (6) which surrounds the rod (1), is pushed away from a position by a spring (10) and is pushed back towards this position by injection of a fluid into a chamber (13) situated on the side of the piston  which (6) is opposed to the spring (10), further comprising a sleeve (64), the inner surface of which is a cylinder surrounding the rod (1) ant the outer surface of which has o frusto-conical shape, said sleeve (4) being split parallelly to the axis of the rod (1) and being stationary with respect to the body (2), and comprising locking means which apply the sleeve (4) for one direction of piston (6) movement against the rod (1), thus causing the locking of the rod (1) in the body (2), and which liberate the sleeve (4) for the other direction of piston (6) movement, thus causing the unlocking of the rod (4), characterized in that said locking means comprise several rollers (8) which roll on the sleeve (4) and the axes (9) of which are made integral with the piston (6), the rollers being situated in a plane perpendicular to the axis of the rod (1).
Patent FR-2555781-A1 (FR)
Title: Appareil et procede de protection de moteurs et de protection de la duree de vie de moteurs
Inventor: HARDY ROBERT MARSHALL
IPC: G07C3/00
Filed: 1984-11-23
Abstract: L'INVENTION CONCERNE LA PROTECTION DES MOTEURS ELECTRIQUES. UN APPAREIL DESTINE A PREDIRE LA DUREE DE VIE UTILE RESTANTE D'UN MOTEUR 100 COMPREND NOTAMMENT DES MOYENS DE MODELISATION 10, 20 DESTINES A CONTROLER LA TEMPERATURE DES ENROULEMENTS DU MOTEUR ET A PRODUIRE UN TAUX DE DEFAILLANCE EN FONCTION DE LA TEMPERATURE DES ENROULEMENTS, DES MOYENS D'INTEGRATION 25 QUI INTEGRENT LE TAUX DE DEFAILLANCE, ET DES MOYENS DE PREVISION DE DUREE DE VIE 40 QUI SONT CONNECTES AUX MOYENS D'INTEGRATION DE FACON A PREDIRE LA DUREE DE VIE UTILE RESTANTE DU MOTEUR. APPLICATION A LA PROTECTION DES MOTEURS ASYNCHRONES.
Patent FR-2555942-A1 (FR)
Title: Roulette pivotante a effet d'amortissement de structure simplifiee
Inventor: KASSAI KENZOU
IPC: B62B9/18
Filed: 1984-11-30
Abstract: L'INVENTION CONCERNE UNE ROULETTE DANS LAQUELLE UNE FOURCHE ROTATIVE 4 SUPPORTANT EN ROTATION UNE ROUE 8 EST SUPPORTEE PAR UN ARBRE 5 S'ETENDANT VERTICALEMENT, DE MANIERE A ETRE ROTATIVE PAR RAPPORT A UN SUPPORT FIXE 3; LA FOURCHE ROTATIVE 4 EST MOBILE VERTICALEMENT PAR RAPPORT AU SUPPORT FIXE 3 TOUT EN RECOUVRANT L'EXTREMITE INFERIEURE DE CE DERNIER, UN RESSORT AMORTISSEUR 6 QUI REPOUSSE LA FOURCHE 4 VERS LE BAS ETANT INTERPOSE ENTRE LE SUPPORT 3 ET LA FOURCHE 4; DE PLUS, LA ROULETTE EST POURVUE D'UN MECANISME DE BLOCAGE 10 POUR SELECTIVEMENT INHIBER LA FONCTION INHERENTE DE LA ROULETTE CONSISTANT A FAIRE VARIER LA DIRECTION DE DEPLACEMENT DE LA ROUE.
Patent FR-2574011-A1 (FR)
Title: Multi-functional chamfering machine
Inventor: PECHMALBEC ROLAND
IPC: B23Q1/52
Filed: 1984-12-05
Abstract: The subject of the present invention relates to the technical field of machining machines for cutting tools. The machine is noteworthy in that it essentially comprises a motor unit 5 mounted in a controlled pivoting fashion between two framework flanges surmounted by an inclined table 3 intended to receive the workpieces to be chamfered bearing due to gravity against an attached element 18 which is arranged in the same way as the table in order to allow the passage of a large sector of the cutting tool 4 which is mounted at the end of the motor output shaft. According to the nature of the attached element, the cutting tool which is rotary and partially projects from the table executes either an external chamfer along a straight or curved ridge, or an internal chamfer on a straight ridge of the workpieces which are placed manually against the attached element. The invention applies to all materials which can be machined by cutting tools.
Patent WO-8505346-A1 (WO)
Title: Loader for a cane for coating glass or ceramic articles
Inventor: DUMAS ROBERT
IPC: B65G47/61
Filed: 1985-05-21
Abstract: Device enabling to transfer hollow articles from a horizontal conveyor to the chain of a suspended conveyor located at a higher level and provided with supports having clamps (14) providing a lower bearing for the ring thereof. Said device is comprised of a carousel (5) synchronized with the chain of the second conveyor (1) and provided with a double assembly of pneumatic jacks, some (24) acting under the effect of a cam (30) on the clamp control members (16), others (25) carrying mountings (29) supplied from the first conveyor (3) and which, in turn, under the effect of a second cam (31), come to take place under the supports and then move aside once the latter are in mesh. The device, which avoids breakages and bad loadings, is useful on chains for treating for example glass or ceramic articles.
Patent FR-2575642-A1 (FR)
Title: Chair with adjustable headrest
IPC: A47C7/38
Filed: 1985-01-08
Abstract: The invention relates to a chair comprising a body 1 and cushions 2, 3, 4. The cushion 4, which is articulated at 5 to the cushion 3, forms an adjustable headrest which is supported by a curved plate 7 to which it is articulated at 6, this plate being fixed by gripping between the cushion 3 and the part 1b of the body 1.
Patent FR-2558906-A1 (FR)
Title: Embrayage a friction muni de ressorts lames tangentiels
Inventor: KOLB DIETER
IPC: F16D13/70
Filed: 1985-01-25
Abstract: DANS UN EMBRAYAGE A FRICTION POUR VEHICULES AUTOMOBILES, LE PLATEAU DE PRESSION2 EST RELIE A LA CLOCHE1 DE L'EMBRAYAGE POUR TOURNER CONJOINTEMENT AVEC CETTE DERNIERE AUTOUR DE LEUR AXE COMMUN PAR UNE PLURALITE DE RESSORTS LAMES4 QUI SONT TANGENTIELS RELATIVEMENT A L'AXE. LA CLOCHE POSSEDE UN SENS DE ROTATION DU MOTEUR QUE L'EMBRAYAGE EST DESTINE A RELIER A LA BOITE DE VITESSES DU VEHICULE. LES RESSORTS LAMES ONT UNE EXTREMITE DE TETE ET UNE EXTREMITE DE QUEUE, RELATIVEMENT AU SENS DE ROTATION CONSIDERE. LES EXTREMITES DE TETE8 DE TOUS LES RESSORTS LAMES4 SONT FIXEES AU PLATEAU DE PRESSION2 ET LES EXTREMITES DE QUEUE8 DE TOUS LES RESSORTS LAMES4 SONT FIXEES A LA CLOCHE1.
Patent FR-2577681-A1 (FR)
Title: Procede d'extension de la gamme des frequences des recurrences radar acceptables par un transformateur numerique d'images et moyens de mise en oeuvre de ce procede
Inventor: ANDRIEU JEAN-PIERRE
IPC: G01S7/298
Filed: 1985-02-15
Abstract: L'INVENTION A POUR OBJET UN PROCEDE ET UN DISPOSITIF POUR L'EXTENSION DE LA GAMME DES FREQUENCES DES RECURRENCES ACCEPTABLES PAR UN TRANSFORMATEUR NUMERIQUE D'IMAGES TDI, DESTINE AU TRAITEMENT D'UNE IMAGE DE TYPE RADAR. LE PROCEDE CONSISTE PRINCIPALEMENT A MODIFIER LA FREQUENCE DES INCREMENTS D'ANGLE E RECUS, FOURNISSANT LA POSITION ANGULAIRE TH DE L'ANTENNE RADAR PAR RAPPORT A UNE DIRECTION DE REFERENCE (NORD), DE FACON A LES RENDRE COMPATIBLES AVEC LES INFORMATIONS VIDEO (RECURRENCES) RECUES A LA FREQUENCE DE REPETITION DU RADAR (PRF), EVITANT AINSI UNE IRREGULARITE DE L'IMAGE RADAR OU UN DEFAUT DE REMANENCE.
Patent FR-2578774-A1 (FR)
Title: Self-standardising terminal for an industrial robot
Inventor: GIGNAC JACQUES
IPC: B23Q9/00
Filed: 1985-03-12
Abstract: The self-standardising terminal consists of a base piece 37 fixed to a coupling flange 8, of a universal joint suspension device 10 carrying the tool holder 9 and of an axial sliding device 42 arranged between the base piece and the suspension device. An extension device 40 is provided between the elements making up the sliding device so as to push the tool holder against the surface on which it rests via stops 14. The angular excursion of the tool holder relative to the axis of the terminal is of the order of +/-15 DEG .
Patent FR-2580154-A1 (FR)
Title: Method and machine for manufacturing artificial flowers from paper
IPC: A41G1/02
Filed: 1985-04-16
Abstract: The strip 1 is drawn through a gluing means 14, held in a slit of a rolling-up mandrel 6 carried by an arm 23 which is moved beyond a first clamp 21 for cutting and gripping the cut end of the strip 1 as far as a second concentric gripping clamp 26 which enables the mandrel 6 to disengage from the flower formed and enables the arm 23 to return to its first position in which the mandrel 6 again engages with the strip 1 in order to roll it up again while entraining it.
Patent FR-2580555-A1 (FR)
Title: Rear axle assembly with a trailing arm for the suspension of a motor vehicle
Inventor: PIERRE JACQUES
IPC: B60G21/055
Filed: 1985-04-19
Abstract: Rear axle assembly with trailing arms for the suspension of a motor vehicle comprising horizontal filtration. The arm 1 is connected to the body 2 by two elastic bearings 4-20 not comprising an axial stop, the said arm 1 being moreover securely fastened to the turned-over end 26 of the anti-roll bar 21 by a fork 25 fixed to the said bar 21 by means of a swivel 27 and to the arm by means of two bearings 30-31 situated in a plane transverse to the axis of the vehicle. Application to suspensions.
Patent FR-2564049-A1 (FR)
Title: Circuit destine a un systeme de freinage avec controle du glissement
Inventor: FENNEL HELMUT
IPC: B60T8/84
Filed: 1985-04-23
Abstract: CIRCUIT DESTINE A UN SYSTEME DE FREINAGE AVEC CONTROLE DU GLISSEMENT POUR VEHICULES, QUI EST EQUIPE DE CAPTEURS POUR DETERMINER LE COMPORTEMENT EN ROTATION DES ROUES AVANT ET ARRIERE AINSI QUE DE CIRCUITS ELECTRONIQUES CHARGES DE TRAITER, DE COMBINER LOGIQUEMENT ET DE CONTROLER LES SIGNAUX DES CAPTEURS ET DE PRODUIRE DES SIGNAUX DE COMMANDE QUI PERMETTENT DE REGULER INDIVIDUELLEMENT LA VARIATION DE LA PRESSION DE FREINAGE DANS LES DIFFERENTES ROUES ETOU SIMULTANEMENT DANS PLUSIEURS ROUES EN FONCTION DE CRITERES DE SELECTION PREDETERMINES TELS QUE SELECTION BASSE, SELECTION HAUTE, CARACTERISE EN CE QUE, EN CAS DE DEFAILLANCE OU DE PERTURBATION DES SIGNAUX DES CAPTEURS D'UNE OU DE PLUSIEURS ROUES VR, VL, HR, HL, LA REGULATION DE LA PRESSION DE FREINAGE DE CETTE ROUE PEUT ETRE EFFECTUEE EN FONCTION DU COMPORTEMENT EN ROTATION D'UNE AUTRE ROUE SELON UN CRITERE DE SELECTION PREDETERMINE.
Patent FR-2584317-A1 (FR)
Title: Cleaning device, usable in particular between the tubes of a bank of tubes
Inventor: PASTORELLI CLAUDE
IPC: F28G15/02
Filed: 1985-04-23
Abstract: The invention relates to a device for cleaning a bank of tubes 3, for example in the interior of a steam boiler in the nuclear industry. The stepper control 27 to 32 advances the nozzle 6 inside the guide track 11. The jaws 20, 21 and the motor 26 generate oscillations in the hose 14 and nozzle 6. Application: passing an object through a small-bore hole 4 (eyelet) in the boiler casing.
Patent FR-2582333-A1 (FR)
Inventor: DESGOUILLES HENRI FRANCIS MAUR
IPC: E04D5/12
Filed: 1985-05-22
Abstract: 1. A method of putting in place a sealing covering, more particularly for roofs, terraces or constructional works such as bridges, comprising at least two layers superimposed on a surface of a support (S) to be protected, the first layers (1) of the covering, close to the surface to be protected, being formed by at least one bituminous sheet (2) comprising on its surface oriented towards the support, or lower surface, a screen (8) formed with openings (10) and made from a material which cannot be degraded by heat up to a temperature of about 200 degrees C but can be so degraded by the application of a flame, characterized in that the surface of the support to be protected is covered with at least one of the bituminous sheets (2) to form the lower layer of the covering in such a way that the screen (8) of the sheet is opposite the surface to be protected, and a second layer (3) is so glued hot to the lower layer that the heat generated during the putting in place of the second layer procudes glueing to the surface of the sheet (2) to be protected by the adhesion to the support of the bituminous composition of the sheet (2) via at least some of the openings (10) with which the screen (8) is formed.
Patent FR-2565080-A1 (FR)
Title: Briefcase (small suitcase) closure
Inventor: KAWABE SHIRO
IPC: A45C13/10
Filed: 1985-05-28
Abstract: The invention relates to a plastic closure for a briefcase (small suitcase). It comprises first and second elements 2, 3 each fastened on one of the two halves of a briefcase (small suitcase). The first element 2 comprises a base plate 4 on which can pivot a buckle 5 passing under a raised part 7 of the plate 4, and the second element 3 comprises a base plate 10 comprising a raised part 11 over which the buckle 5 may be folded down. Field of application: Briefcases (small suitcases), suitcases, etc.
Patent FR-2586314-A1 (FR)
Title: Method and devices for connecting up telephone sets in a system comprising one or more direct sockets for listening, recording or sending apparatuses
IPC: G09B19/00
Filed: 1985-08-14
Abstract: Device for connecting up telephone sets in a system comprising one or more external direct sockets. The invention relates to a device for linking, by electrical cable 6, boxes 4, 5 fulfilling the function of telephone sockets for telephone sets 1, 2 of the device. The device is supplied by a battery or by the mains and comprises one or more direct sockets 7 for listening, recording or sending 3 apparatuses. The device according to the invention is particularly intended for teaching languages, for training secretaries and businessmen or for arrangements at temporary sites.
Patent FR-2587269-A1 (FR)
Title: Method and device for fixing facing elements on cellular plaster and panels obtained according to this method
Inventor: MOREAU PIERRE
IPC: E04F13/08
Filed: 1985-09-16
Abstract: Method for fixing a facing element on the external face of a panel made of mouldable and crumbly material 14. According to the invention, it consists in forming a housing in a support plate 1, in adhesively bonding 11 the facing element 12 to the support plate 1, in inserting the head 7 of an anchoring part 10 into the housing and in casting the mouldable material around the anchoring part 10. Applications: surface protection of crumbly panels.
Patent FR-2587753-A1 (FR)
Inventor: DOYEN GERARD
IPC: E05D1/06
Filed: 1985-09-23
Abstract: The hinge enabling articulation of sectional panels (30) on a frame (10) consisting of a lip (11) forming swivel pin, integral with the frame, and at least one retaining member (20), such retaining member being fitted onto a projecting part (12) of the frame and held in place by a flexible blade (23) having a catch thereon which snaps into a groove (13) in the projecting part, each sectional panel (30) terminating at the hinge in a substantially semi-circular trough (31) guided between the lip (11) and a rounded portion (27) of the retaining member (20) located opposite said lip, features a hand releasing tab (25) made integral with the flexible blade (23) and projecting outside the retaining member (20).
Patent FR-2571562-A1 (FR)
Title: Convertisseur continu-alternatif
Inventor: BRANDSTATTER WOLFGANG
IPC: H02M7/5381
Filed: 1985-10-07
Abstract: CONVERTISSEUR CONTINU-ALTERNATIF COMPORTANT UN TRANSFORMATEUR CONVERTISSEUR 1 ET DEUX COMMUTATEURS COMMANDABLES 6, 7 A COMMUTATION A RECOUVREMENT, ENTRE LES ELECTRODES DE COMMANDE G, F DES DEUX COMMUTATEURS COMMANDABLES 6, 7 ETANT MONTEE UNE SOURCE DE TENSION ALTERNATIVE 8, ET LA VOIE ENTRE L'ELECTRODE DE COMMANDE G, F ET L'ELECTRODE DE REFERENCE B DE CHAQUE COMMUTATEUR COMMANDABLE 6, 7 ETANT SHUNTEE 9, 10.
Patent FR-2589938-A1 (FR)
Title: Sliding and pivoting door
Inventor: MONTOT ROBERT
IPC: E05F15/14
Filed: 1985-11-14
Abstract: The sliding and pivoting door comprises two panels 1, 2 mounted in a translationally movable fashion, parallel to the opening 3 of the door and guide rails 4, 5 fixed respectively to each of the panels and extending one above the other. One 4a, 5a of the ends of each rail is fixed near to a vertical edge 1b, 2b of a panel, and the other end 4b, 5b is directed towards the other panel, forming a certain angle with respect to the latter. Near to each vertical edge of the opening 3 of the door, a vertical bar 8, 9 extends which is mounted rotationally and equipped with a lever 10, 11 articulated to a base piece 12, 13 mounted slidably in a slideway 14 extending on each panel. The end 4b, 5b of the guide rail 4, 5 interacts with means which make it possible to control the rotation of the bar 8, 9 and to displace the two panels in a transverse direction with respect to the opening 3 of the door at the end of closure travel and at the beginning of opening travel of the panels. Use for making sliding and pivoting doors in rail vehicles, trams or buses.
Patent FR-2595768-A1 (FR)
Title: Motor-driven fan for stirring the air in premises
IPC: F04D25/08
Filed: 1985-12-26
Abstract: By means of a moderate stirring of the air, this device ensures an equilibrium of the temperatures at high and low levels in premises more than 3 m in height. It may be adapted to any type of premises (hangar) and makes appreciable energy savings possible for a given temperature. This device consists of a fan driven by a motor. This fan comprises two straight axial horizontal propellers 10 each consisting of two blades designed to draw the air in and two radial vertical blades 11 designed to expel the indrawn air. The fan is protected by the two identical rings positioned at the top 1 and bottom 2 of the system. Two cylindrical sleeves 3 and 4 connected to each of the two rings are, with the rings, positioned so as to facilitate the indrawing and expulsion of the air.
Patent FR-2596154-A1 (FR)
Title: Dispositif pour la mesure de l'orientation de materiaux massifs monocristallins par la methode de laue
Inventor: SCHILLER CLAUDE
IPC: C30B33/00
Filed: 1986-03-18
Abstract: DISPOSITIF POUR LA MESURE DE L'ORIENTATION DE MATERIAUX MASSIFS MONOCRISTALLINS PAR LA METHODE DE LA CHAMBRE DE LAUE COMPRENANT DES MOYENS DE SUPPORT POUR UN ECHANTILLON MASSIF ET DES MOYENS D'ALIGNEMENT POUR LA CHAMBRE DE LAUE ET LES MOYENS DE SUPPORT, CARACTERISE EN CE QUE LES MOYENS DE SUPPORT COMPRENNENT UN PORTE-ECHANTILLON 10 QUI PRESENTE UNE PREMIERE FACE PLANE 1 POUR RECEVOIR L'ECHANTILLON, UNE SECONDE FACE PLANE 2 PERPENDICULAIRE A LA PREMIERE POUR BLOQUER L'ECHANTILLON, UN PREMIER 11 ET UN SECOND 12 PLANS DE REFERENCE RESPECTIVEMENT PARALLELES A LA PREMIERE 1 ET A LA SECONDE 2 FACES PLANES, ET UN TROISIEME PLAN DE REFERENCE 13 PERPENDICULAIRE A LA FOIS A LA PREMIERE 1 ET A LA SECONDE 2 FACES PLANES, EN CE QUE LES MOYENS D'ALIGNEMENT CONSISTENT EN UN BANC D'OPTIQUE B PRESENTANT AU MOINS DEUX PLANS 21, 22 DE REFERENCE PARALLELES A L'AXE OPTIQUE DE LA CHAMBRE DE LAUE, LESQUELS SUPPORTENT PENDANT LA MESURE SOIT LE PREMIER 11 ET LE SECOND 12, SOIT LE PREMIER 11 ET LE TROISIEME 13 PLANS DE REFERENCE DU PORTE-ECHANTILLON 10. APPLICATION: MESURE DE L'ORIENTATION DES MONOCRISTAUX POUR LA FABRICATION DE SUBSTRATS DE CIRCUITS INTEGRES.
Patent FR-2597466-A1 (FR)
Title: Procede d'obtention de soufre elementaire a partir d'un minerai de sulfure de fer
Inventor: ANGLEROT DIDIER
IPC: C01B17/06
Filed: 1986-04-17
Abstract: PROCEDE D'OBTENTION DE SOUFRE ELEMENTAIRE A PARTIR D'UN MINERAI DE SULFURE DE FER, QUI COMPREND LA LIXIVIATION ACIDE, OXYDANTE, DU MINERAI PULVERISE, EN VUE DE L'EXTRACTION DU SOUFRE, LA PULPE OBTENUE A L'ISSUE DE LA LIXIVIATION, ETANT SOUMISE A LA SEPARATION DE SES SOLIDES 4 DE LA SOLUTION 13 QU'ELLE CONTIENT; LES SOLIDES SONT TRAITES A CHAUD PAR UN SOLVANT ORGANIQUE DU SOUFRE, CELUI-CI ETANT ENSUITE RECUPERE PAR CRISTALLISATION AU REFROIDISSEMENT 8, TANDIS QUE LA SOLUTION 13 EST TRAITEE EN VUE DE L'EXTRACTION DE METAUX NON FERREUX.
Patent FR-2597544-A1 (FR)
Title: Device for anchoring a measuring and recording instrument on the walls of a well
Inventor: FALXA HENRI
IPC: E21B23/01
Filed: 1986-04-22
Abstract: The invention relates to the field of measurement for monitoring an oil-producing well. The device comprises a clock mechanism, a hydraulic lock, a laying tool and an anchoring block which comprises anchoring blades 70 articulated to the two ends by a pair of connection rods 74, 76 and arranged in a protective casing 72, one end of the connection rods 74 being fixed to a first sliding assembly comprising an external casing 38 and the other end 77 of the connection rods being fixed to a hollow shaft 80 coaxial with the said casing. The external casing 38 is fixed to the connection rods via a housing 50 with inclined ramps 55 for the catches 51, whereas the upper end of the hollow shaft 80 bears on the free end of catches forced open by a spring 54. The invention makes it possible to position recorders in wells and to leave them in position by removing the winch cable and then to fish them out by means of a suitable tool.
Patent FR-2597880-A1 (FR)
Title: Process and plant for conditioning bitumen and bitumen conditioned by this process
IPC: C10C3/14
Filed: 1986-04-23
Abstract: Process and device for conditioning molten bitumen into solidified fragments which have a temperature close to room temperature. This plant comprises essentially two vessels 10 containing molten bitumen at a temperature of between 240 and 290 DEG C and under pressure, pipes 16 allowing this molten bitumen to be delivered into a cooling device 18 consisting of a heat exchanger comprising a series of internal pipes 19. On leaving the heat exchanger 18, the bitumen in pasty state is broken up by a mechanical fragmenting device 25 and its surface layer is cooled by a sprayer 26. The fragments fall into a funnel 27 and then into a cooling bath 29. This plant makes it possible to obtain hard, smooth, relatively nonbrittle bitumen fragments which can be easily handled.
Patent FR-2598093-A1 (FR)
Title: Filter unit with tangential flow
Inventor: SCHAEGIS PIERRE
IPC: B01D29/15
Filed: 1986-04-30
Abstract: Filter unit with tangential flow employing a plurality of pleated filter cartridges enclosed in a jacket. This unit comprises a vertical casing consisting of two cylindrical enclosures 1, 2 joined along the equatorial plane, the lower enclosure 2 carrying near its frustoconical end a connecting box 12 from which elbows 13 depart, which are directed towards the equatorial plane, equal in number to the number of filter cartridges 14 and ending in an endpiece 17 for fitting in the cartridge and a radial conduit 15 ending in a coupling outside the casing, the flanges 7, 8 having, in the alignment of the emerging outlet 17 of the elbows 13, orifices 25, 26 in the section of the jacket 19 of the filter cartridge 14, the edges 27 in contact with the orifices of the two flanges 7, 8 being chamfered in order to fit with clamping onto the peripheral seals 22 of the jackets of the cartridges 14.